| Number | X-pin, colour | Description |
|---|---|---|
| X18830 | 6-pin, Natural | Plug connector Receiver, independent heating |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Signal, independent heating ON | Independent heating/ventilation control unit |
| 2 | Not used | ||
| 3 | E | Signal, independent heating ON | Heating and A/C control module |
| 4 | E | Terminal 30 | Fuse F47 |
| 5 | Not used | ||
| 6 | M | Ground | Ground point |